- Optical lens for corrective vision
- Strength: Strong -4.25 TO -6.0
- Tempered glass meets all ANSI standards
- Silicone skirt and strap for a soft and comfortable fit
- Quick adjust strap allows you to quickly pull strap to tighten and push button to loosen
- Pivot buckle adjusts up and down for fit
- Yellow = Mild: -0.50 TO -2.0
- Blue = Medium: -2.25 TO -4.0
- Silver = Strong: -4.25 TO -6.0